Poznań, Poland · Founded 1999
Allegro.pl is the largest e-commerce platform in Poland and one of the largest in Central and Eastern Europe, operating a popular online marketplace that connects millions of buyers and sellers.
Roles based in: Poznań, Toruń, Warszawa
Builds in: AI/ML · E-commerce · FinTech · B2B SaaS · Platform
Seniority: 3 Junior · 1 Mid-level · 4 Senior · 1 Lead
Publishes salary on 8 of 17 ads · Hiring engineering roles here since June 2026
Curated from live Allegro postings. Click any role for the full brief.
Engineering Manager leading Allegro's Payout & Banking Integration team in Poznań, driving core money-out movement and compliance systems.
Software Engineer 2 at Allegro in Warsaw building high-performance backend systems and AI-powered translation services.
Junior Big Data Engineer at Allegro in Toruń, Poland, focusing on building reliable, discoverable, and usable data foundations.
Junior Data Engineer at Allegro focusing on building engineering foundations for Conversational Analytics using Python and SQL.
Junior Software Engineer (Backend / Mobile) at Allegro in Poznań, Poland, focusing on mobile app development and backend services.
Build scalable microservices for AI Merchant Assistant using Java/Kotlin, Spring Boot, Kafka.
Design, build, and optimize high-performance backend microservices for the checkout path.
Design and build high-performance microservices for the massive Allegro Ads platform using Kotlin, Spring, Kafka.
Mobile Software Engineer 2 (iOS) at Allegro developing AI Shopping Assistant features for mobile applications.
Build first-citizen platform tools on Azure/Kubernetes, handling 60M+ daily requests for FinTech.
Develop platform tools for a high-scale FinTech system handling 60M daily requests using Azure, Kubernetes, and .NET.
Develop high-performance Android mobile apps for e-commerce, leveraging Kotlin and modern architecture.
Build high-performance backend services for logistics using C#/.NET Core, serving tens of thousands of users.
Build a data platform for Allegro, processing clickstream events for AI and business dashboards.
Build and deploy ML models for Allegro Pay, Central Europe's largest FinTech, impacting millions of users.
Build data pipelines for clickstream events at Allegro, powering AI and business dashboards.
Build and deploy ML models for Allegro Pay, Central Europe's largest FinTech, serving millions of users.
We haven't seen these on Allegro's site in over 60days. They may already be filled — check the company's own careers page before applying.
No longer open on Allegro's site. Kept for reference — saved archived roles stay in your dashboard.
Junior Data Engineer at Allegro focusing on building engineering foundations for Conversational Analytics using Python and SQL.
Mobile Software Engineer 2 (Android) at Allegro in Poznań, focusing on developing and maintaining the mobile application's homepage.
Software Engineer 1 at Allegro in Poznań developing the AI Assistant using Java or Kotlin and modern backend technologies.
Software Engineer 2 (Java / Kotlin) joining Allegro's Core Platform team in Warsaw, focusing on Server-Driven UI and Agentic AI.
Build scalable microservices for AI Assistant, handling high traffic and large data volumes.
Architect, develop, and scale core backend platform services using Kotlin/Java for a massive internal ecosystem.
Design, scale backend services for a massive Notifications Platform handling millions of users.
Design, build, and optimize high-performance Java/Kotlin microservices for the checkout path.
Architect, develop, and scale core frontend platform services using Kotlin/Java on GCP.
Build scalable microservices for AI Merchant Assistant using Java/Kotlin, Spring Boot, Kafka.
Software Engineer 1 at Allegro Ads in Warsaw, PL, focusing on building high-performance systems for the real-time marketplace.
Mobile Software Engineer 2 (iOS) at Allegro developing AI Shopping Assistant features for the mobile app.
Software Engineer 2 at Allegro (Toruń) focusing on building and optimizing solutions for product catalog duplicate detection.
Design and manage complex digital workplace infrastructure for 1000+ microservices, leveraging Docker, Kubernetes, and Python.
Architect and scale core frontend platform services using Kotlin/Java, managing high-throughput microservices for millions of users.
Mobile Software Engineer 2 (Android) at Allegro focusing on enhancing user loyalty through native Android development.
Build high-scale ML platforms and AI solutions for over 12 million users using GCP, Kubernetes, and Python.
Build high-performance, cloud-native microservices for the massive Allegro Ads platform using Kotlin/Java.
Design backend systems using Python/JVM to ensure trust, safety, and compliance for millions of users.
Develop automated E2E tests for backend microservices using Java and REST Assured, ensuring quality at Allegro's scale.
Build highly scalable, fault-tolerant data ingestion pipelines for 5 billion daily clickstream events using Scala/Java on GCP.
Develop automated E2E tests for backend microservices using Java and REST Assured, impacting millions of customers.
Develop high-performance Android mobile features for the central e-commerce homepage, focusing on gamification.
Build highly scalable microservices for Allegro Ads, powering the AI Merchant Assistant using Java/Kotlin.
Develop AI Shopping Assistant features for mobile apps, focusing on iOS/Swift or Android/Kotlin.
Design, implement, and automate complex IT infrastructure services for a large-scale digital workplace ecosystem.
Design and build autonomous AI agents using Python and LLMs for Allegro's massive multi-product platform infrastructure in Poland.
Develop financial services using .NET on a large-scale platform handling 60+ million requests daily in Kraków, PL.
Architect and scale core frontend platform services using Kotlin/Java on a massive microservice ecosystem in Poznań, PL.
Design and build software for millions of customers using .NET on a scale with over 1000 microservices in Poland.
Execute well-defined tasks building services on Allegro's scale of over 1000 microservices using Java or Kotlin/Scala.
Develop high-complexity mobile applications using Swift and iOS SDK for Allegro's massive scale platform in Poland.
Design and build software for millions of customers using .NET on a scale with over 1000 microservices in Poland.
Design and build reliable data processing pipelines on Google Cloud Platform handling petabytes of data for millions of customers in Poland.
Develop and maintain ML platforms and models for Allegro's massive scale AI ecosystem in Poland.
Execute complex software development tasks for Allegro's large-scale microservices ecosystem using Java or Kotlin in Poznań, PL.
Develop mobile applications for millions of customers using iOS frameworks like UIKit and SwiftUI within a large-scale microservices environment in Poland.
Automate and improve quality for Allegro's large-scale systems using Postman, SoapUI, and CI/CD pipelines.
Architect and scale core backend platform services using Kotlin/Java on a massive microservices ecosystem in Poznań, PL.
Build and scale core frontend platform services for Allegro's massive e-commerce ecosystem.